@colyseus/core/build/Protocol.mjs.map

Multiplayer Framework for Node.js.

{
  "version": 3,
  "sources": ["../src/Protocol.ts"],
  "sourcesContent": ["import { pack, Packr } from '@colyseus/msgpackr';\nimport { encode, Iterator } from '@colyseus/schema';\n\n// Colyseus protocol codes range between 0~100\nexport enum Protocol {\n  // Room-related (10~19)\n  JOIN_ROOM = 10,\n  ERROR = 11,\n  LEAVE_ROOM = 12,\n  ROOM_DATA = 13,\n  ROOM_STATE = 14,\n  ROOM_STATE_PATCH = 15,\n  // ROOM_DATA_SCHEMA = 16, // DEPRECATED: used to send schema instances via room.send()\n  ROOM_DATA_BYTES = 17,\n\n  // WebSocket close codes (https://github.com/Luka967/websocket-close-codes)\n  WS_CLOSE_NORMAL = 1000,\n  WS_CLOSE_GOING_AWAY = 1001,\n\n  // WebSocket error codes\n  WS_CLOSE_CONSENTED = 4000,\n  WS_CLOSE_WITH_ERROR = 4002,\n  WS_CLOSE_DEVMODE_RESTART = 4010,\n\n  WS_SERVER_DISCONNECT = 4201,\n  WS_TOO_MANY_CLIENTS = 4202,\n}\n\nexport enum ErrorCode {\n  // MatchMaking Error Codes\n  MATCHMAKE_NO_HANDLER = 4210,\n  MATCHMAKE_INVALID_CRITERIA = 4211,\n  MATCHMAKE_INVALID_ROOM_ID = 4212,\n  MATCHMAKE_UNHANDLED = 4213, // generic exception during onCreate/onJoin\n  MATCHMAKE_EXPIRED = 4214, // generic exception during onCreate/onJoin\n\n  AUTH_FAILED = 4215,\n  APPLICATION_ERROR = 4216,\n\n  INVALID_PAYLOAD = 4217,\n}\n\n// Inter-process communication protocol\nexport enum IpcProtocol {\n  SUCCESS = 0,\n  ERROR = 1,\n  TIMEOUT = 2,\n}\n\n\nconst packr = new Packr({\n  useRecords: false, // increased compatibility with decoders other than \"msgpackr\"\n});\n\n// msgpackr workaround: initialize buffer\npackr.encode(undefined);\n\nexport const getMessageBytes = {\n  [Protocol.JOIN_ROOM]: (reconnectionToken: string, serializerId: string, handshake?: Buffer) => {\n    const it: Iterator = { offset: 1 };\n    packr.buffer[0] = Protocol.JOIN_ROOM;\n\n    packr.buffer[it.offset++] = Buffer.byteLength(reconnectionToken, \"utf8\");\n    encode.utf8Write(packr.buffer, reconnectionToken, it);\n\n    packr.buffer[it.offset++] = Buffer.byteLength(serializerId, \"utf8\");\n    encode.utf8Write(packr.buffer, serializerId, it);\n\n    let handshakeLength = handshake?.byteLength || 0;\n\n    // check if buffer needs to be resized\n    if (handshakeLength > packr.buffer.byteLength - it.offset) {\n      packr.useBuffer(Buffer.alloc(it.offset + handshakeLength, packr.buffer));\n    }\n\n    if (handshakeLength > 0) {\n      handshake.copy(packr.buffer, it.offset, 0, handshakeLength);\n    }\n\n    return Buffer.from(packr.buffer.subarray(0, it.offset + handshakeLength));\n  },\n\n  [Protocol.ERROR]: (code: number, message: string = '') => {\n    const it: Iterator = { offset: 1 };\n    packr.buffer[0] = Protocol.ERROR;\n\n    encode.number(packr.buffer, code, it);\n    encode.string(packr.buffer, message, it);\n\n    return Buffer.from(packr.buffer.subarray(0, it.offset));\n  },\n\n  [Protocol.ROOM_STATE]: (bytes: number[]) => {\n    return [Protocol.ROOM_STATE, ...bytes];\n  },\n\n  raw: (code: Protocol, type: string | number, message?: any, rawMessage?: Uint8Array | Buffer) => {\n    const it: Iterator = { offset: 1 };\n    packr.buffer[0] = code;\n\n    if (typeof (type) === 'string') {\n      encode.string(packr.buffer, type as string, it);\n\n    } else {\n      encode.number(packr.buffer, type, it);\n    }\n\n    if (message !== undefined) {\n      // force to encode from offset\n      packr.position = 0;\n\n      //\n      // TODO: remove this after issue is fixed https://github.com/kriszyp/msgpackr/issues/139\n      //\n      // - This check is only required when running integration tests.\n      //   (colyseus.js' usage of msgpackr/buffer is conflicting)\n      //\n      if (process.env.NODE_ENV !== \"production\") {\n        packr.useBuffer(packr.buffer);\n      }\n\n      // pack message into the same packr.buffer\n      const endOfBufferOffset = packr.pack(message, 2048 + it.offset).byteLength;\n                                                 // 2048 = RESERVE_START_SPACE\n      return Buffer.from(packr.buffer.subarray(0, endOfBufferOffset));\n\n    } else if (rawMessage !== undefined) {\n\n      // check if buffer needs to be resized\n      // TODO: can we avoid this?\n      if (rawMessage.length + it.offset > packr.buffer.byteLength) {\n        packr.useBuffer(Buffer.alloc(it.offset + rawMessage.length, packr.buffer));\n      }\n\n      // copy raw message into packr.buffer\n      packr.buffer.set(rawMessage, it.offset);\n\n      return Buffer.from(packr.buffer.subarray(0, it.offset + rawMessage.byteLength));\n\n    } else {\n      return Buffer.from(packr.buffer.subarray(0, it.offset));\n    }\n  },\n\n};\n\n"],
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  "names": ["Protocol", "ErrorCode", "IpcProtocol"]
}